Method and device for processing resource allocation information

Abstract

Disclosed are a method and device for processing resource allocation information. The method includes that: an AP allocates resources for data transmission between the AP and one or more STAs in a STA group according to a resource granularity, wherein the resource granularity comprises a preset time length and/or a preset bandwidth (Step 302 ); and the AP sends resource allocation information for allocating the resources to the STA group (Step 304 ). By the disclosure, the problems of high overhead, poor flexibility, low system efficiency and how to coordinate data sending and reception between an access STA and a non-access STA during the resource allocation for the STAs in the related art are solved, and the effects of reducing signaling resource overhead, ensuring high flexibility, effectively improving system efficiency, better coordinating data sending and reception between the access STA and the non-access STA and effectively avoiding a collision are further achieved.

1 . A method for processing resource allocation information, comprising:
 allocating, by an Access Point (AP) resources for data transmission between the AP and one or more Stations (STA) in an STA group according to a resource granularity, wherein the resource granularity comprises a preset time length and/or a preset bandwidth; and   sending, by the AP, resource allocation information for allocating the resources to the STA group.   
     
     
         2 . The method according to  claim 1 , wherein allocating, by the AP, the resources for the data transmission between the AP and the one or more STAs in the STA group according to the resource granularity comprises:
 allocating, by the AP, downlink resources for the AP to transmit downlink data to the one or more STAs, wherein the downlink resources comprise: resources for the AP to send the downlink data to the one or more STAs and resources for the one or more STAs to send feedback information to the AP; and/or,   allocating, by the AP, uplink resources for the one or more STAs to transmit uplink data to the AP, wherein the uplink resources comprise: resources for the one or more STAs to send the uplink data to the AP and resources for the AP to send feedback information to the one or more STAs.   
     
     
         3 . The method according to  claim 1 , wherein
 allocating, by the AP, the resources for the data transmission between the AP and the one or more STAs in the STA group according to the resource granularity comprises:   allocating, by the AP, according to an uplink resource granularity, uplink resources for the one or more STAs to transmit uplink data to the AP; and/or, allocating, by the AP, according to a downlink resource granularity, downlink resources for the AP to transmit downlink data to the one or more STAs; or,   allocating, by the AP, the resources for the data transmission between the AP and the one or more STAs in the STA group according to the resource granularity comprises:   
       for one determined STA in the STA group, allocating, by the AP, continuous resources to the determined STA, wherein the continuous resources are used for the AP to send downlink data to the determined STA and for the determined STA to send uplink data to the AP. 
     
     
         4 . (canceled) 
     
     
         5 . The method according to  claim 1 , wherein after sending, by the AP, the resource allocation information for allocating the resources to the STA group, the method further comprises:
 detecting, by the AP, whether channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are idle or not; and   when the channels are determined to be idle, triggering, by the AP, the data transmission between the AP and the one or more STAs.   
     
     
         6 . The method according to  claim 5 , wherein before triggering, by the AP, the data transmission between the AP and the one or more STAs, the method further comprises:
 performing, by the AP, a channel contention.   
     
     
         7 . The method according to  claim 6 , wherein the AP contends for the channels by using a highest priority in channel access priorities. 
     
     
         8 . The method according to  claim 5 , wherein after triggering, by the AP, the data transmission between the AP and the one or more STAs, the method further comprises at least one of the following:
 when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending downlink data, receiving, by the AP, Acknowledgement (ACK) information and/or uplink data from the one or more STAs;   when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information, receiving, by the AP, uplink data from the one or more STAs;   when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and Network Allocation Vectors (NAV) locally stored by the one or more STAs are not zero, receiving, by the AP, ACK information from the one or more STAs; and   when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and NAVs locally stored by the one or more STAs are zero, receiving, by the AP, uplink data from the one or more STAs.   
     
     
         9 . The method according to  claim 1 , wherein after sending, by the AP, the resource allocation information for allocating the resources to the STA group, the method further comprises:
 receiving, by the AP, uplink data from one or more STAs with uplink data to be sent, wherein the one or more STAs with the uplink data to be sent contend to access channels after the channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are detected to be idle.   
     
     
         10 . The method according to  claim 9 , wherein the one or more STAs with the uplink data to be sent contend for the channel by using a highest priority in the channel access priorities. 
     
     
         11 . The method according to  claim 1 , wherein the resource allocation information comprises at least one of:
 information for indicating a manner of allocating resources, an uplink resource granularity, a downlink resource granularity, an uplink service indication bitmap, a downlink service indication bitmap and an uplink and downlink service indication bitmap.   
     
     
         12 . The method according to  claim 11 , wherein the uplink service indication bitmap, the downlink service indication bitmap and the uplink and downlink service indication bitmap are configured to indicate the numbers of resources allocated to the STA group by the AP respectively. 
     
     
         13 . The method according to  claim 11 , wherein, after receiving the resource allocation information, the STA group obtains resource allocation location information of the STA group according to corresponding locations and service resource allocation indication information of the STA group in the service indication bitmap and service resource allocation indication information of other STAs in a group at corresponding locations in the service indication bitmap by utilizing uplink resource allocation granularity information and downlink resource allocation granularity information. 
     
     
         14 . A device for processing resource allocation information, wherein the device is located at an Access Point (AP) and comprises:
 an allocating component, configured to allocate resources for data transmission between the AP and one or more Stations (STA) in an STA group according to a resource granularity, wherein the resource granularity comprises a preset time length and/or a preset bandwidth; and   a sending component, configured to send resource allocation information for allocating the resources to the STA group.   
     
     
         15 . The device according to  claim 14 , wherein the allocating component comprises:
 a first allocating element, configured to allocate downlink resources for the AP to transmit downlink data to the one or more STAs, wherein the downlink resources comprise: resources for the AP to send the downlink data to the one or more STAs and resources for the one or more STAs to send feedback information to the AP; and/or,   a second allocating element, configured to allocate uplink resources for the one or more STAs to transmit uplink data to the AP, wherein the uplink resources comprise:   resources for the one or more STAs to send the uplink data to the AP and resources for the AP to send feedback information to the one or more STAs.   
     
     
         16 . The device according to  claim 14 , wherein
 the allocating component comprises:   a third allocating element, configured to allocate, according to an uplink resource granularity, uplink resources for the one or more STAs to transmit uplink data to the AP; and/or,   a fourth allocating element, configured to allocate, according to a downlink resource granularity, downlink resources for the AP to transmit downlink data to the one or more STAs; or,   the allocating component comprises: a fifth allocating element, configured to, for one determined STA in the STA group, allocate continuous resources to the determined STA, wherein the continuous resources are used for the AP to send downlink data to the determined STA and for the determined STA to send uplink data to the AP.   
     
     
         17 . (canceled) 
     
     
         18 . The device according to  claim 14 , wherein the device further comprises:
 a detecting component, configured to detect whether channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are idle or not; and   a triggering component, configured to, when the channels are determined to be idle, trigger the data transmission between the AP and the one or more STAs.   
     
     
         19 . The device according to  claim 18 , wherein the device further comprises:
 a contending component, configured to, before the AP triggers the data transmission between the AP and the one or more STAs, perform a channel contention.   
     
     
         20 . The device according to  claim 19 , wherein the contending component is further configured to contend for the channels by using a highest priority in channel access priorities. 
     
     
         21 . The device according to  claim 18 , wherein the device further comprises at least one of:
 a first receiving component, configured to, when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending downlink data, receive Acknowledgement (ACK) information and/or uplink data from the one or more STAs;   a second receiving component, configured to, when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information, receive uplink data from the one or more STAs;   a third receiving component, configured to, when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and Network Allocation Vectors (NAV) locally stored by the one or more STAs are not zero, receive ACK information from the one or more STAs; and   a fourth receiving component, configured to, when the AP triggers the data transmission between the AP and the one or more STAs in a manner of sending triggering information and NAVs locally stored by the one or more STAs are zero, receive uplink data from the one or more STAs.   
     
     
         22 . The device according to  claim 14 , wherein the device further comprises:
 a fifth receiving component, configured to receive uplink data from one or more STAs with uplink data to be sent, wherein the one or more STAs with the uplink data to be sent contend to access channels after the channels at beginnings of the resources, determined according to the resource allocation information, of the one or more STAs are detected to be idle.